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FOC | Family List | FOC Vol. 10 | Fabaceae | Astragalus

90. Astragalus kuschakewiczii B. Fedtschenko ex O. Fed­tschenko, Trudy Imp. S.-Peterburgsk. Bot. Sada. 21: 311. 1903.

库萨克黄耆 ku sa ke huang qi

Astragalus eugeniae B. Fedtschenko; ?A. hegingensis Y. X. Liou; A. mongutensis Lipsky; A. pulvinalis P. C. Li & C. C. Ni.

Plants 7-15(-20) cm tall, densely caespitose, densely gray hairy with subappressed to ascending hairs 0.2-0.3 mm. Stems many, ascending to erect, branched from base. Leaves 1-3 cm; stipules 1.5-2.5 mm, behind stem shortly connate; petiole 0.3-0.8 cm, like rachis slender, densely to rather densely hairy; leaflets in 6-9 pairs, oblong to elliptic, 1-5 × 0.5-3 mm, both surfaces loosely to rather densely hairy, apex rounded to retuse. Racemes 1-1.5 cm, rather loosely 4-10-flowered; peduncle 1.5-4 cm, white hairy, below raceme increasingly black hairy; bracts whitish membranous, 0.5-1 mm, black and white hairy. Calyx 2.5-3 mm, loosely to rather densely covered with ap­pressed black hairs 0.2-0.3 mm and sometimes also with somewhat longer white hairs; teeth 1-1.5 mm. Petals light blue, keel with darker tip; standard orbicular, 8-8.5 × 6-7 mm, apex retuse to emarginate; wings 6-7 mm; keel 8-8.5 mm, limbs 4.5-6 × 1.5-3 mm. Legumes spreading to pendulous, with a stipe 1-1.5 mm, obliquely ellipsoid, 5-7 mm, keeled ventrally and dorsally, minutely beaked, 1-locular; valves thin, with ap­pressed white or white and black hairs.

Stony soil, riverbanks, ascending to 3900-4300 m. Gansu, Qing­hai, Xinjiang, Xizang [Afghanistan, Kazakhstan, Tajikistan].


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